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v3.20.4

Long-Lived Assets - Summary of Aggregate Amortization Related to Intangible Assets (Parenthetical) (Details) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2018
Acquired customer contracts |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life |  | 100 months
Acquired customer contracts | Minimum |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life | 3 years |
Acquired customer contracts | Maximum |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life | 20 years |
Acquired software | Minimum |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life | 4 years |
Acquired software | Maximum |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life | 8 years |
Internal use software | Minimum |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life | 1 year |
Internal use software | Maximum |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life | 10 years |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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